Your values gets truncated because they reach the top of the chart. You can set a static max of the Y axes a little bit higher than 100% (like 105% or 108%). This will free up some space at the top of the chart. To prevent QlikView from showing this > 100% scale, set the statis step to a value higher than your static max value - 100. For example: static max = 108 > 108 - 100 = 8, set the static step to 20.